html, body {
  height: 100%;
}
body {
  margin: 0;
  background-color: aliceblue !important; 
  font-size: 16px;
}
h1 {
  padding-top: 0.67em;
  margin-top: 0;
  text-align: center;
}
@keyframes fade {
  from {
    opacity: 1.0;
  }
  50% {
    opacity: 0.5;
  }
  to {
    opacity: 1.0;
  }
}
